div.first,
div.second {
  display: flex;
  justify-content: center;
  background-color: #181c1f;
}
div.first {
  align-items: center;
  height: 100vh;
}
div.first .row {
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  -webkit-box-reflect: below 1px linear-gradient(transparent, transparent, transparent, transparent, #0005);
}
div.first .row .left {
  position: relative;
  height: 420px;
  display: flex;
  justify-content: center;
}
div.first .row .left .cloud {
  position: relative;
  top: 70px;
  width: 320px;
  height: 100px;
  background-color: #fff;
  border-radius: 100px;
  z-index: 100;
  filter: drop-shadow(0 0 35px #fff);
}
div.first .row .left .cloud .text {
  position: absolute;
  top: 40px;
  height: 20px;
  line-height: 20px;
  text-transform: uppercase;
  color: #fff;
  text-shadow: 0 0 5px #fff, 0 0 15px #fff, 0 0 30px #fff;
  transform-origin: bottom;
  animation: rain 2s linear forwards;
}
div.first .row .left .cloud::before {
  content: "";
  position: absolute;
  top: -50px;
  left: 40px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background-color: #fff;
  box-shadow: 90px 0 0 30px #fff;
}
div.first .row .right {
  position: relative;
}
div.first .row .right .introduce {
  margin-top: 100px;
}
div.first .row .right .introduce span.h1,
div.first .row .right .introduce span.h4 {
  color: #fff;
}
div.first .row .right .download {
  position: absolute;
  top: 50%;
  left: 18%;
}
div.first .row .right .download a.button {
  display: flex;
  justify-content: space-around;
  min-width: 160px;
  height: 54px;
  color: #ffffff;
  text-decoration: none;
  background-color: transparent;
  border: 2px solid #ffffff;
  border-radius: 7px;
  padding: 0 18px 0 20px;
  font-size: 18px;
  line-height: 52px;
  font-weight: 600;
  position: relative;
  overflow: hidden;
}
div.first .row .right .download a.button::after,
div.first .row .right .download a.button::before {
  content: "";
  width: 100%;
  position: absolute;
  top: -1.5em;
  z-index: -1;
  aspect-ratio: 1;
  border-radius: 40%;
  background-color: rgba(255, 255, 255, 0.25);
  transition: all 0.3s;
}
div.first .row .right .download a.button::after {
  left: -40%;
  transform: translateY(5em) rotate(-330deg);
}
div.first .row .right .download a.button::before {
  right: -40%;
  transform: translateY(5em) rotate(390deg);
}
div.first .row .right .download a.button:hover,
div.first .row .right .download a.button:focus,
div.first .row .right .download ul:hover + a.button {
  animation: colors 0.3s forwards;
}
div.first .row .right .download a.button:hover::before,
div.first .row .right .download a.button:hover::after,
div.first .row .right .download a.button:focus::before,
div.first .row .right .download a.button:focus::after,
div.first .row .right .download ul:hover + a.button::before,
div.first .row .right .download ul:hover + a.button::after {
  transform: none;
  background-color: #ffffff;
}
div.first .row .right .download ul {
  color: #fff;
  list-style: none;
  margin: 0;
  padding: 0;
  border: 2px solid #ffffff;
  border-radius: 7px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: all 0.3s;
}
div.first .row .right .download ul li {
  text-align: center;
  margin: 0.5rem;
}
div.first .row .right .download ul li a {
  font-size: 18px;
  font-weight: 600;
}
div.first .row .right .download a.button:hover + ul,
div.first .row .right .download ul:hover {
  opacity: 1;
  transform: translateY(0px);
  pointer-events: all;
}
div.second {
  height: 500px;
}
div.second .row {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
div.second .row .col-4,
div.second .row .col-8 {
  height: 70%;
}
div.second .row .col-8 {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
}
div.second .row .col-8 img {
  border-radius: 7px;
  max-width: 60%;
  height: auto;
}
div.second .row .col-8 .cover {
  position: absolute;
  max-width: 40%;
  left: 40%;
  bottom: 5%;
}
div.second .row .col-4 {
  display: flex;
  align-items: center;
}
div.second .row .col-4 .content {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  color: white;
  font-size: 150%;
  font-weight: 600;
}
div.second .row .col-4 .content i.bi {
  font-size: 250%;
}
div.second .row .col-4 .download {
  width: 150px;
  margin: 30px 0;
}
div.second .row .col-4 .download a.button {
  display: flex;
  justify-content: space-around;
  height: 54px;
  color: #ffffff;
  text-decoration: none;
  background-color: transparent;
  border: 2px solid #ffffff;
  border-radius: 7px;
  padding: 0 18px 0 20px;
  font-size: 18px;
  line-height: 52px;
  font-weight: 600;
  transition: color 0.2s;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
div.second .row .col-4 .download a.button::after {
  content: "";
  width: 70%;
  height: 200%;
  border-radius: 50%;
  top: -50%;
  position: absolute;
  z-index: -1;
  background-color: #ffffff;
  transform: scale(0.5, 1);
  opacity: 0;
  transition: all 0.2s linear;
}
div.second .row .col-4 .download a.button:hover {
  color: #000;
}
div.second .row .col-4 .download a.button:hover:after {
  transform: scale(2, 2);
  opacity: 1;
}
div.second .row .col-4 .download a.content {
  text-decoration: none;
}
div.divider {
  height: 5rem;
  background-color: #181c1f;
}
@keyframes rain {
  0% {
    transform: translateY(0) scale(1);
  }
  70% {
    transform: translateY(290px) scale(1);
  }
  100% {
    transform: translateY(290px) scale(0.5);
  }
}
@keyframes colors {
  100% {
    color: #000;
  }
}
@keyframes secondButton {
  100% {
    transform: scaleX(1);
  }
}
